We offer 2 filter socks that are shorter. Our Shortest sock is listed under "Filter Socks 200 Micron - SHORT - 8 Pack - 4 Inch Ring by 8 Inch Long" and the Amazon url is https://www.amazon.com/Filter-Socks-200-Micron-Aquarium/dp/B00S5HATGA. The other is "Filter Socks 200 Micron - MEDIUM - Aquarium Felt Filter Bags - 8 Pack" and the Amazon url is https://www.amazon.com/Filter-Socks-200-Micron-Aquarium/dp/B00TSTAEIM